import java.io.File
import java.io.RandomAccessFile

/**
 * @author Yricky
 * @date 2022/4/21
 */
class Test {
    @org.junit.jupiter.api.Test
    fun test(){
        val raf = RandomAccessFile(File("Hello"),"rw")
        raf.seek(30000L*20000 * 4)
        raf.writeInt(145)
    }
}